<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <title>Document</title>
    <style>
        li {
            list-style: none;

        }
    </style>

</head>

<body>
    <!-- 这里写框架 -->
    <div id="app">
        <ul>

            <li v-for="(item,index) in bookList" :key="item.id">
                <span>{{item.name}}</span>
                <span>{{item.author}}</span>
                <button @click="fn(item.id)">删除</button>
            </li>

        </ul>


    </div>


    <!-- 引入包 -->

    <!-- <script src="https://cdn.jsdelivr.net/npm/vue@2.7.16/dist/vue.js"></script> -->
    <script src="./vue.js"></script>
    <!-- 创建实例 -->

    <script>
        const app = new Vue({
            el: '#app',
            data: {
                // flag: 'true',
                bookList: [
                    { id: 1, name: '《红楼梦》', author: '曹雪芹' },
                    { id: 2, name: '《西游记》', author: '吴承恩' },
                    { id: 3, name: '《水浒传》', author: '施耐盐' },
                    { id: 4, name: '《三国演义》', author: '罗贯中' }
                ]

            },
            methods: {
                fn(id) {
                    this.bookList = this.bookList.filter(item => item.id !== id)
                }
            },
        })


    </script>
</body>

</html>